In the absence of a signal sequence, a newly synthesized protein localizes to the
A) mitochondria.
B) cytoplasm.
C) peroxisome.
D) nucleus.
E) plasma membrane.

Question

Quizplus · Accepted Answer

Without a signal sequence, the most likely destination for a newly synthesized protein is the cytoplasm, as this is where the ribosomes responsible for protein synthesis are located. The other options listed require specific signal sequences for targeting and would not be the default destination of a protein without such signals.

In the Absence of a Signal Sequence, a Newly Synthesized